Certified Rhythm Analysis Technician (CRAT) Practice Exam

Question: 1 / 400

What is the rate of the rhythm for sinus tachycardia?

60-100 bpm

Less than 60 bpm

Greater than 100 bpm

Sinus tachycardia is characterized by an elevated heart rate originating from the sinus node, which is the natural pacemaker of the heart. In this condition, the heart rate exceeds the normal upper limit of resting rates, which is generally considered to be 100 beats per minute (bpm) or above. This elevated rate can occur in response to various stimuli, including physical exertion, anxiety, fever, or underlying medical conditions.

Recognizing that sinus tachycardia involves a heart rate greater than 100 bpm is key, as it helps in differentiating it from other conditions like normal sinus rhythm or bradycardia, which have different rate benchmarks. The other options refer to heart rate ranges that either fall within normal sinus rhythm or indicate bradycardia, which do not apply to sinus tachycardia. Understanding these distinctions is vital for accurately diagnosing and addressing heart rhythm abnormalities.

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72 bpm

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